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Exploring Air Resistance Variation with Altitude Using a DC Fan Motor

This experiment investigates the variation of air resistance as altitude increases by observing the current flowing through a DC fan motor subjected to changes in air resistance and pressure. Our hypothesis posited that higher altitudes would result in lower air resistance and a subsequent decrease in current. Conducting trials at 1000 feet revealed that as the gondola rose, air resistance and current through the fan motor generally decreased. Our findings highlight the relationship between altitude and air resistance. Thank you for your attention!

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Exploring Air Resistance Variation with Altitude Using a DC Fan Motor

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  1. D.G.A.F. Ian Dingler Zach Nagangast Ben Howe Dylan Dugan

  2. Overview Purpose: Our purpose is to find the variation of air resistance by observing the current through a DC fan motor when exposed to air resistance and pressure change with altitude. Hypothesis: We believe that as the altitude increases, the air resistance decreases, which will bring the current down.

  3. Our Experiment: • Gondola • Fan Circuit • Lab Pro • Current/Voltage Probe • 1000 feet

  4. Trial 1

  5. Trial 2

  6. Trial 3

  7. Conclusion We discovered from our testing that as the gondola rose and the altitude increased, the air resistance generally decreased, and likewise the current through the fan decreased. Thank You … Questions

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